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  <div class="headertitle"><div class="title">bsp_spi.h</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="preprocessor">#include &quot;<a class="code" href="spi_8h.html">spi.h</a>&quot;</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="preprocessor">#include &quot;stdint.h&quot;</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="preprocessor">#include &quot;<a class="code" href="gpio_8h.html">gpio.h</a>&quot;</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span> </div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment">/* 根据开发板引出的spi引脚以及CubeMX中的初始化配置设定 */</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="preprocessor">#define SPI_DEVICE_CNT 2       </span><span class="comment">// C型开发板引出两路spi,分别连接BMI088/作为扩展IO在8pin牛角座引出</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="preprocessor">#define MX_SPI_BUS_SLAVE_CNT 4 </span><span class="comment">// 单个spi总线上挂载的从机数目</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span> </div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment">/* spi transmit recv mode enumerate*/</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="keyword">typedef</span> <span class="keyword">enum</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span>{</div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span>    SPI_BLOCK_MODE = 0, <span class="comment">// 默认使用阻塞模式</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span>    SPI_IT_MODE,</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span>    SPI_DMA_MODE,</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span>} SPI_TXRX_MODE_e;</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment">/* SPI实例结构体定义 */</span></div>
<div class="foldopen" id="foldopen00018" data-start="{" data-end="};">
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"><a class="line" href="structspi__ins__temp.html">   18</a></span><span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code hl_struct" href="structspi__ins__temp.html">spi_ins_temp</a></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span>{</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span>    <a class="code hl_typedef" href="group___s_p_i___exported___types.html#gab633e49dd034de2f3a1fe79853d78d18">SPI_HandleTypeDef</a> *spi_handle; <span class="comment">// SPI外设handle</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span>    <a class="code hl_struct" href="struct_g_p_i_o___type_def.html">GPIO_TypeDef</a> *GPIOx;           <span class="comment">// 片选信号对应的GPIO,如GPIOA,GPIOB等等</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span>    uint16_t cs_pin;               <span class="comment">// 片选信号对应的引脚号,GPIO_PIN_1,GPIO_PIN_2等等</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span>    SPI_TXRX_MODE_e spi_work_mode; <span class="comment">// 传输工作模式</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span>    uint8_t rx_size;               <span class="comment">// 本次接收的数据长度</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span>    uint8_t *rx_buffer;            <span class="comment">// 本次接收的数据缓冲区</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span>    uint8_t CS_State;              <span class="comment">// 片选信号状态,用于中断模式下的片选控制</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span>    uint8_t * cs_pin_state;        <span class="comment">// 片选信号状态,用于中断模式下的片选控制</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span>    void (*callback)(<span class="keyword">struct </span><a class="code hl_struct" href="structspi__ins__temp.html">spi_ins_temp</a> *); <span class="comment">// 接收回调函数</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span>    <span class="keywordtype">void</span> *id;                                <span class="comment">// 模块指针</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span>} SPIInstance;</div>
</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment">/* 接收回调函数定义,包含SPI的module按照此格式构建回调函数 */</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="keyword">typedef</span> void (*spi_rx_callback)(SPIInstance *);</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="comment">// @todo: 这里可以将GPIO_TypeDef *GPIOx; uint16_t cs_pin合并为bsp_gpio以简化代码实现</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="comment">/* SPI初始化配置,其实基本和SPIIstance一模一样,为了代码风格统一因此再次定义 */</span></div>
<div class="foldopen" id="foldopen00038" data-start="{" data-end="};">
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"><a class="line" href="struct_s_p_i___init___config__s.html">   38</a></span><span class="keyword">typedef</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span>{</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span>    <a class="code hl_typedef" href="group___s_p_i___exported___types.html#gab633e49dd034de2f3a1fe79853d78d18">SPI_HandleTypeDef</a> *spi_handle; <span class="comment">// SPI外设handle</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span>    <a class="code hl_struct" href="struct_g_p_i_o___type_def.html">GPIO_TypeDef</a> *GPIOx;           <span class="comment">// 片选信号对应的GPIO,如GPIOA,GPIOB等等</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span>    uint16_t cs_pin;               <span class="comment">// 片选信号对应的引脚号,GPIO_PIN_1,GPIO_PIN_2等等</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span> </div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span>    SPI_TXRX_MODE_e spi_work_mode; <span class="comment">// 传输工作模式</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span>    spi_rx_callback callback; <span class="comment">// 接收回调函数</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span>    <span class="keywordtype">void</span> *id;                 <span class="comment">// 模块指针</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span>} <a class="code hl_struct" href="struct_s_p_i___init___config__s.html">SPI_Init_Config_s</a>;</div>
</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span>SPIInstance *SPIRegister(<a class="code hl_struct" href="struct_s_p_i___init___config__s.html">SPI_Init_Config_s</a> *conf);</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span><span class="keywordtype">void</span> SPITransmit(SPIInstance *spi_ins, uint8_t *ptr_data, uint8_t len);</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="keywordtype">void</span> SPIRecv(SPIInstance *spi_ins, uint8_t *ptr_data, uint8_t len);</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="keywordtype">void</span> SPITransRecv(SPIInstance *spi_ins, uint8_t *ptr_data_rx, uint8_t *ptr_data_tx, uint8_t len);</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span><span class="keywordtype">void</span> SPISetMode(SPIInstance *spi_ins, SPI_TXRX_MODE_e spi_mode);</div>
<div class="ttc" id="agpio_8h_html"><div class="ttname"><a href="gpio_8h.html">gpio.h</a></div><div class="ttdoc">This file contains all the function prototypes for the gpio.c file.</div></div>
<div class="ttc" id="agroup___s_p_i___exported___types_html_gab633e49dd034de2f3a1fe79853d78d18"><div class="ttname"><a href="group___s_p_i___exported___types.html#gab633e49dd034de2f3a1fe79853d78d18">SPI_HandleTypeDef</a></div><div class="ttdeci">struct __SPI_HandleTypeDef SPI_HandleTypeDef</div><div class="ttdoc">SPI handle Structure definition.</div></div>
<div class="ttc" id="aspi_8h_html"><div class="ttname"><a href="spi_8h.html">spi.h</a></div><div class="ttdoc">This file contains all the function prototypes for the spi.c file.</div></div>
<div class="ttc" id="astruct_g_p_i_o___type_def_html"><div class="ttname"><a href="struct_g_p_i_o___type_def.html">GPIO_TypeDef</a></div><div class="ttdoc">General Purpose I/O.</div><div class="ttdef"><b>Definition</b> stm32h723xx.h:1066</div></div>
<div class="ttc" id="astruct_s_p_i___init___config__s_html"><div class="ttname"><a href="struct_s_p_i___init___config__s.html">SPI_Init_Config_s</a></div><div class="ttdef"><b>Definition</b> bsp_spi.h:39</div></div>
<div class="ttc" id="astructspi__ins__temp_html"><div class="ttname"><a href="structspi__ins__temp.html">spi_ins_temp</a></div><div class="ttdef"><b>Definition</b> bsp_spi.h:19</div></div>
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